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// Event_Handler.cpp
// $Id$
#define ACE_BUILD_DLL
#include "ace/Event_Handler.h"
#include "ace/Message_Block.h"
#include "ace/Reactor.h"
#include "ace/Thread_Manager.h"
#if !defined (__ACE_INLINE__)
#include "ace/Event_Handler.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(ace, Event_Handler, "$Id$")
// Implement conceptually abstract virtual functions in the base class
// so derived classes don't have to implement unused ones.
ACE_Event_Handler::ACE_Event_Handler (ACE_Reactor *r,
int p)
: priority_ (p),
reactor_ (r)
{
// ACE_TRACE ("ACE_Event_Handler::ACE_Event_Handler");
}
ACE_Event_Handler::~ACE_Event_Handler (void)
{
// ACE_TRACE ("ACE_Event_Handler::~ACE_Event_Handler");
}
// Gets the file descriptor associated with this I/O device.
ACE_HANDLE
ACE_Event_Handler::get_handle (void) const
{
ACE_TRACE ("ACE_Event_Handler::get_handle");
return ACE_INVALID_HANDLE;
}
// Sets the file descriptor associated with this I/O device.
void
ACE_Event_Handler::set_handle (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::set_handle");
}
// Gets the priority of this handler.
int
ACE_Event_Handler::priority (void) const
{
ACE_TRACE ("ACE_Event_Handler::priority");
return this->priority_;
}
// Sets the priority
void
ACE_Event_Handler::priority (int priority)
{
ACE_TRACE ("ACE_Event_Handler::priority");
this->priority_ = priority;
}
// Called when the object is about to be removed from the Dispatcher
// tables.
int
ACE_Event_Handler::handle_close (ACE_HANDLE, ACE_Reactor_Mask)
{
ACE_TRACE ("ACE_Event_Handler::handle_close");
return -1;
}
// Called when input becomes available on fd.
int
ACE_Event_Handler::handle_input (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_input");
return -1;
}
// Called when output is possible on fd.
int
ACE_Event_Handler::handle_output (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_output");
return -1;
}
// Called when urgent data is available on fd.
int
ACE_Event_Handler::handle_exception (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_exception");
return -1;
}
// Called when timer expires, TV stores the current time.
int
ACE_Event_Handler::handle_timeout (const ACE_Time_Value &, const void *)
{
ACE_TRACE ("ACE_Event_Handler::handle_timeout");
return -1;
}
// Called when a monitored Process exits
int
ACE_Event_Handler::handle_exit (ACE_Process *)
{
ACE_TRACE ("ACE_Event_Handler::handle_exit");
return -1;
}
// Called when a registered signal occurs.
int
ACE_Event_Handler::handle_signal (int, siginfo_t *, ucontext_t *)
{
ACE_TRACE ("ACE_Event_Handler::handle_signal");
return -1;
}
int
ACE_Event_Handler::handle_qos (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_qos");
return -1;
}
int
ACE_Event_Handler::handle_group_qos (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_group_qos");
return -1;
}
void
ACE_Event_Handler::reactor (ACE_Reactor *reactor)
{
ACE_TRACE ("ACE_Event_Handler::reactor");
this->reactor_ = reactor;
}
ACE_Reactor *
ACE_Event_Handler::reactor (void) const
{
ACE_TRACE ("ACE_Event_Handler::reactor");
return this->reactor_;
}
#if !defined (ACE_HAS_WINCE)
// Used to read from non-socket ACE_HANDLEs in our own thread to work
// around Win32 limitations that don't allow us to select() on
// non-sockets (such as ACE_STDIN). This is commonly used in
// situations where the Reactor is used to demultiplex read events on
// ACE_STDIN on UNIX. Note that <event_handler> must be a subclass of
// <ACE_Event_Handler>. If the <get_handle> method of this event
// handler returns <ACE_INVALID_HANDLE> we default to reading from
// ACE_STDIN.
void *
ACE_Event_Handler::read_adapter (void *args)
{
ACE_Event_Handler *this_ptr = (ACE_Event_Handler *) args;
ACE_HANDLE handle = ACE_STDIN;
while (this_ptr->handle_input (handle) != -1)
continue;
this_ptr->handle_close (handle,
ACE_Event_Handler::READ_MASK);
this_ptr->reactor ()->notify ();
return 0;
}
int
ACE_Event_Handler::register_stdin_handler (ACE_Event_Handler *eh,
ACE_Reactor *reactor,
ACE_Thread_Manager *thr_mgr,
int flags)
{
#if defined (ACE_WIN32)
ACE_UNUSED_ARG (reactor);
eh->reactor (reactor);
return thr_mgr->spawn (&read_adapter, (void *) eh, flags);
#else
// Keep compilers happy.
ACE_UNUSED_ARG (flags);
ACE_UNUSED_ARG (thr_mgr);
return reactor->register_handler (ACE_STDIN,
eh,
ACE_Event_Handler::READ_MASK);
#endif /* ACE_WIN32 */
}
int
ACE_Event_Handler::remove_stdin_handler (ACE_Reactor *reactor,
ACE_Thread_Manager *thr_mgr)
{
#if defined (ACE_WIN32)
ACE_UNUSED_ARG (reactor);
ACE_UNUSED_ARG (thr_mgr);
// What should we do here?
ACE_NOTSUP_RETURN (-1);
#else
// Keep compilers happy.
ACE_UNUSED_ARG (thr_mgr);
return reactor->remove_handler (ACE_STDIN,
ACE_Event_Handler::READ_MASK);
#endif /* ACE_WIN32 */
}
#endif /* ACE_HAS_WINCE */
ACE_Notification_Buffer::ACE_Notification_Buffer (void)
{
ACE_TRACE ("ACE_Notification_Buffer::ACE_Notification_Buffer");
}
ACE_Notification_Buffer::ACE_Notification_Buffer (ACE_Event_Handler *eh,
ACE_Reactor_Mask mask)
: eh_ (eh),
mask_ (mask)
{
ACE_TRACE ("ACE_Notification_Buffer::ACE_Notification_Buffer");
}
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